National Museum of Nuclear Science & History
Coughlin worked for 200 East Area at Hanford during the Manhattan Project.
Robert H. Shumard served as a sergeant in the 393rd Bombardment Squadron. He worked as an assistant engineer, aiding the other crew engineers with keeping the planes running during bombing missions.
Shields worked at the 100-F Area at Hanford during the Manhattan Project.
Robert Spencer Stone (1895-1966) was a radiologist and headed the Health Division of the Chicago Metallurgical Laboratory (Met Lab) during the Manhattan Project.